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2 Troubleshooting 2.3 Power Supply Troubleshooting
1R2-P1V output
Error code Meaning
B0h 1R2-P1V voltage is over 1.44V when the computer is powered on.
B1h 1R2-P1V voltage is 1.02V or less when the computer is powered on.
B2h 1R2-P1V voltage is 1.02V or less when the computer is booting up.
B3h 1R2-P1V voltage is 1.02V or less when the computer is powered off.
B4h 1R2-P1V voltage is 1.02V or less while the computer is suspended.
PTV output
Error code Meaning
C0h PTV voltage is over 1.426V when the computer is powered on.
C1h PTV voltage is 0.89V or less when the computer is powered on.
C2h PTV voltage is 0.89V or less when the computer is booting up.
C3h PTV voltage is 0.89V or less when the computer is powered off.
C4h PTV voltage is 0.89V or less while the computer is suspended.
1R25-B1V output
Error code Meaning
D0h 1R25-B1V voltage is over 1.50V when the computer is powered on.
D1h 1R25-B1V voltage is 1.063V or less when the computer is powered on.
D2h 1R25-B1V voltage is 1.063V or less when the computer is booting up.
D3h 1R25-B1V voltage is 1.063V or less when the computer is powered off.
D4h 1R25-B1V voltage is 1.063V or less while the computer is suspended.
2R5-B2V output
Error code Meaning
E0h 2R5-B2V voltage is over 3.00V when the computer is powered on.
E1h 2R5-B2V voltage is 2.125V or less when the computer is powered on.
E2h 2R5-B2V voltage is 2.125V or less when the computer is booting up.
E3h 2R5-B2V voltage is 2.125V or less when the computer is powered off.
E4h 2R5-B2V voltage is 2.125V or less while the computer is suspended.
2-12 PPORTEGE R100 Maintenance Manual (960-440)